<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>用户名不存在</h3>
<a href="#" th:href="@{/change}">再次修改点我</a>
<br/>
<a href="#" th:href="@{/registered}">需要注册点我</a>
</body>
</html>